Wien
(Vienna - capital of Austria - 1.7 million inh.) boasts one of the world's
largest tram networks, plus the "Badner Bahn", a light rail
line operated by Wiener Lokalbahnen which shares tram tracks between
Philadelphiabrücke and Kärntner Ring/Oper.

There
is an underground tram section between Südtiroler Platz
and Eichenstraße on tram route 18, which connects the two
main railway stations (Südbahnhof and Westbahnhof), with a short
branch below Wiedner Hauptstraße (lines 1, 62 and WLB), and a southern
ramp at Matzleinsdorfer Platz (lines 1 and 6). Part of the tunnel is
also used by tram routes 1, 6, 62 and WLB (Badner Bahn). The underground
tram system includes a total of 6 stations, Südtiroler Platz,
Blechturmgasse, Kliebergasse, Matzleinsdorfer Platz, Eichenstraße
and Laurenzgasse.